fix jenkins basic

Signed-off-by: shaowenchen <mail@chenshaowen.com>

pkg/simple/client/devops/jenkins/pure_request.go

@@ -1,10 +1,15 @@
 package jenkins
 
 import (
+	"encoding/base64"
+	"fmt"
+	"github.com/dgrijalva/jwt-go"
 	"k8s.io/klog"
+	authtoken "kubesphere.io/kubesphere/pkg/apiserver/authentication/token"
 	"kubesphere.io/kubesphere/pkg/simple/client/devops"
 	"net/http"
 	"net/url"
+	"strings"
 	"time"
 )
 
@@ -15,6 +20,8 @@ func (j *Jenkins) SendPureRequest(path string, httpParameters *devops.HttpParame
 	return resBody, err
 }
 
+// provider request header to call jenkins api.
+// transfer bearer token to basic token for inner Oauth and Jeknins
 func (j *Jenkins) SendPureRequestWithHeaderResp(path string, httpParameters *devops.HttpParameters) ([]byte, http.Header, error) {
 	Url, err := url.Parse(j.Server + path)
 	if err != nil {
@@ -24,10 +31,29 @@ func (j *Jenkins) SendPureRequestWithHeaderResp(path string, httpParameters *dev
 
 	client := &http.Client{Timeout: 30 * time.Second}
 
+	header := httpParameters.Header
+	bearTokenArray := strings.Split(header.Get("Authorization"), " ")
+	bearFlag := bearTokenArray[0]
+	if strings.ToLower(bearFlag) == "bearer" {
+		bearToken := bearTokenArray[1]
+		if err != nil {
+			klog.Error(err)
+			return nil, nil, err
+		}
+		claim := authtoken.Claims{}
+		parser := jwt.Parser{}
+		_, _, err = parser.ParseUnverified(bearToken, &claim)
+		if err != nil {
+			return nil, nil, err
+		}
+		creds := base64.StdEncoding.EncodeToString([]byte(fmt.Sprintf("%s:%s", claim.Username, bearToken)))
+		header.Set("Authorization", fmt.Sprintf("Basic %s", creds))
+	}
+
 	newRequest := &http.Request{
 		Method:   httpParameters.Method,
 		URL:      Url,
-		Header:   httpParameters.Header,
+		Header:   header,
 		Body:     httpParameters.Body,
 		Form:     httpParameters.Form,
 		PostForm: httpParameters.PostForm,